IR33W7HR20 | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 2 Output Relay, 115 → 230 V ac Supply Voltage | RS
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CAREL DN33Z9MR20 Ir33 DIN Universal Temperature Controller 4 Relays 24v Ac/dc for sale online | eBay
IR33V7LR20 | Carel IR33 Panel Mount PID Temperature Controller, 76.2 x 34.2mm, 1 Output Relay, 12 → 24 V ac Supply Voltage | RS
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